Fig. 7
From: Enriched homogenized model for viscoelastic plane wave propagation in periodic layered composites

Metamaterial 1—i Homogenized displacement profile at \(x=20D\) for loading frequency F at 1000 \(\mathrm {Hz}\), with respect to relaxation time [A] \((\kappa =\infty )\), and ii the respective frequency plot arising from Discrete Fourier Transform